40401972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 110990880

約数和(自身を除く): 70588908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 659, 786, 1179, 1318, 1572, 1703, 1977, 2358, 2636, 3406, 3954, 4716, 5109, 5931, 6812, 7908, 8567, 10218, 11862, 15327, 17134, 20436, 23724, 25701, 30654, 34268, 51402, 61308, 77103, 86329, 102804, 154206, 172658, 258987, 308412, 345316, 517974, 776961, 1035948, 1122277, 1553922, 2244554, 3107844, 3366831, 4489108, 6733662, 10100493, 13467324, 20200986, 40401972]

約数ペア:

[(1, 40401972), (2, 20200986), (3, 13467324), (4, 10100493), (6, 6733662), (9, 4489108), (12, 3366831), (13, 3107844), (18, 2244554), (26, 1553922), (36, 1122277), (39, 1035948), (52, 776961), (78, 517974), (117, 345316), (131, 308412), (156, 258987), (234, 172658), (262, 154206), (393, 102804), (468, 86329), (524, 77103), (659, 61308), (786, 51402), (1179, 34268), (1318, 30654), (1572, 25701), (1703, 23724), (1977, 20436), (2358, 17134), (2636, 15327), (3406, 11862), (3954, 10218), (4716, 8567), (5109, 7908), (5931, 6812)]