26749840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 71948520

約数和(自身を除く): 45198680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 89, 104, 130, 136, 170, 178, 208, 221, 260, 272, 289, 340, 356, 442, 445, 520, 578, 680, 712, 884, 890, 1040, 1105, 1156, 1157, 1360, 1424, 1445, 1513, 1768, 1780, 2210, 2312, 2314, 2890, 3026, 3536, 3560, 3757, 4420, 4624, 4628, 5780, 5785, 6052, 7120, 7514, 7565, 8840, 9256, 11560, 11570, 12104, 15028, 15130, 17680, 18512, 18785, 19669, 23120, 23140, 24208, 25721, 30056, 30260, 37570, 39338, 46280, 51442, 60112, 60520, 75140, 78676, 92560, 98345, 102884, 121040, 128605, 150280, 157352, 196690, 205768, 257210, 300560, 314704, 334373, 393380, 411536, 514420, 668746, 786760, 1028840, 1337492, 1573520, 1671865, 2057680, 2674984, 3343730, 5349968, 6687460, 13374920, 26749840]

約数ペア:

[(1, 26749840), (2, 13374920), (4, 6687460), (5, 5349968), (8, 3343730), (10, 2674984), (13, 2057680), (16, 1671865), (17, 1573520), (20, 1337492), (26, 1028840), (34, 786760), (40, 668746), (52, 514420), (65, 411536), (68, 393380), (80, 334373), (85, 314704), (89, 300560), (104, 257210), (130, 205768), (136, 196690), (170, 157352), (178, 150280), (208, 128605), (221, 121040), (260, 102884), (272, 98345), (289, 92560), (340, 78676), (356, 75140), (442, 60520), (445, 60112), (520, 51442), (578, 46280), (680, 39338), (712, 37570), (884, 30260), (890, 30056), (1040, 25721), (1105, 24208), (1156, 23140), (1157, 23120), (1360, 19669), (1424, 18785), (1445, 18512), (1513, 17680), (1768, 15130), (1780, 15028), (2210, 12104), (2312, 11570), (2314, 11560), (2890, 9256), (3026, 8840), (3536, 7565), (3560, 7514), (3757, 7120), (4420, 6052), (4624, 5785), (4628, 5780)]