8901880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 24494400

約数和(自身を除く): 15592520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 53, 65, 68, 76, 85, 95, 104, 106, 130, 136, 152, 170, 190, 212, 221, 247, 260, 265, 323, 340, 380, 424, 442, 494, 520, 530, 646, 680, 689, 760, 884, 901, 988, 1007, 1060, 1105, 1235, 1292, 1378, 1615, 1768, 1802, 1976, 2014, 2120, 2210, 2470, 2584, 2756, 3230, 3445, 3604, 4028, 4199, 4420, 4505, 4940, 5035, 5512, 6460, 6890, 7208, 8056, 8398, 8840, 9010, 9880, 10070, 11713, 12920, 13091, 13780, 16796, 17119, 18020, 20140, 20995, 23426, 26182, 27560, 33592, 34238, 36040, 40280, 41990, 46852, 52364, 58565, 65455, 68476, 83980, 85595, 93704, 104728, 117130, 130910, 136952, 167960, 171190, 222547, 234260, 261820, 342380, 445094, 468520, 523640, 684760, 890188, 1112735, 1780376, 2225470, 4450940, 8901880]

約数ペア:

[(1, 8901880), (2, 4450940), (4, 2225470), (5, 1780376), (8, 1112735), (10, 890188), (13, 684760), (17, 523640), (19, 468520), (20, 445094), (26, 342380), (34, 261820), (38, 234260), (40, 222547), (52, 171190), (53, 167960), (65, 136952), (68, 130910), (76, 117130), (85, 104728), (95, 93704), (104, 85595), (106, 83980), (130, 68476), (136, 65455), (152, 58565), (170, 52364), (190, 46852), (212, 41990), (221, 40280), (247, 36040), (260, 34238), (265, 33592), (323, 27560), (340, 26182), (380, 23426), (424, 20995), (442, 20140), (494, 18020), (520, 17119), (530, 16796), (646, 13780), (680, 13091), (689, 12920), (760, 11713), (884, 10070), (901, 9880), (988, 9010), (1007, 8840), (1060, 8398), (1105, 8056), (1235, 7208), (1292, 6890), (1378, 6460), (1615, 5512), (1768, 5035), (1802, 4940), (1976, 4505), (2014, 4420), (2120, 4199), (2210, 4028), (2470, 3604), (2584, 3445), (2756, 3230)]