39129740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 94209360

約数和(自身を除く): 55079620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 190, 247, 260, 356, 380, 445, 494, 890, 988, 1157, 1235, 1691, 1780, 2314, 2470, 3382, 4628, 4940, 5785, 6764, 7921, 8455, 11570, 15842, 16910, 21983, 23140, 31684, 33820, 39605, 43966, 79210, 87932, 102973, 109915, 150499, 158420, 205946, 219830, 300998, 411892, 439660, 514865, 601996, 752495, 1029730, 1504990, 1956487, 2059460, 3009980, 3912974, 7825948, 9782435, 19564870, 39129740]

約数ペア:

[(1, 39129740), (2, 19564870), (4, 9782435), (5, 7825948), (10, 3912974), (13, 3009980), (19, 2059460), (20, 1956487), (26, 1504990), (38, 1029730), (52, 752495), (65, 601996), (76, 514865), (89, 439660), (95, 411892), (130, 300998), (178, 219830), (190, 205946), (247, 158420), (260, 150499), (356, 109915), (380, 102973), (445, 87932), (494, 79210), (890, 43966), (988, 39605), (1157, 33820), (1235, 31684), (1691, 23140), (1780, 21983), (2314, 16910), (2470, 15842), (3382, 11570), (4628, 8455), (4940, 7921), (5785, 6764)]