87255220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 96

約数和(自身を含む): 220147200

約数和(自身を除く): 132891980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1039, 1105, 1235, 1292, 1615, 2078, 2210, 2470, 3230, 4156, 4199, 4420, 4940, 5195, 6460, 8398, 10390, 13507, 16796, 17663, 19741, 20780, 20995, 27014, 35326, 39482, 41990, 54028, 67535, 70652, 78964, 83980, 88315, 98705, 135070, 176630, 197410, 229619, 256633, 270140, 335597, 353260, 394820, 459238, 513266, 671194, 918476, 1026532, 1148095, 1283165, 1342388, 1677985, 2296190, 2566330, 3355970, 4362761, 4592380, 5132660, 6711940, 8725522, 17451044, 21813805, 43627610, 87255220]

約数ペア:

[(1, 87255220), (2, 43627610), (4, 21813805), (5, 17451044), (10, 8725522), (13, 6711940), (17, 5132660), (19, 4592380), (20, 4362761), (26, 3355970), (34, 2566330), (38, 2296190), (52, 1677985), (65, 1342388), (68, 1283165), (76, 1148095), (85, 1026532), (95, 918476), (130, 671194), (170, 513266), (190, 459238), (221, 394820), (247, 353260), (260, 335597), (323, 270140), (340, 256633), (380, 229619), (442, 197410), (494, 176630), (646, 135070), (884, 98705), (988, 88315), (1039, 83980), (1105, 78964), (1235, 70652), (1292, 67535), (1615, 54028), (2078, 41990), (2210, 39482), (2470, 35326), (3230, 27014), (4156, 20995), (4199, 20780), (4420, 19741), (4940, 17663), (5195, 16796), (6460, 13507), (8398, 10390)]