4038201220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 8839434240

約数和(自身を除く): 4801233020

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 127, 134, 244, 254, 268, 305, 335, 389, 508, 610, 635, 670, 778, 1220, 1270, 1340, 1556, 1945, 2540, 3890, 4087, 7747, 7780, 8174, 8509, 15494, 16348, 17018, 20435, 23729, 26063, 30988, 34036, 38735, 40870, 42545, 47458, 49403, 52126, 77470, 81740, 85090, 94916, 98806, 104252, 118645, 130315, 154940, 170180, 197612, 237290, 247015, 260630, 474580, 494030, 519049, 521260, 988060, 1038098, 1589843, 2076196, 2595245, 3013583, 3179686, 3310001, 5190490, 6027166, 6359372, 6620002, 7949215, 10380980, 12054332, 13240004, 15067915, 15898430, 16550005, 30135830, 31796860, 33100010, 60271660, 66200020, 201910061, 403820122, 807640244, 1009550305, 2019100610, 4038201220]

約数ペア:

[(1, 4038201220), (2, 2019100610), (4, 1009550305), (5, 807640244), (10, 403820122), (20, 201910061), (61, 66200020), (67, 60271660), (122, 33100010), (127, 31796860), (134, 30135830), (244, 16550005), (254, 15898430), (268, 15067915), (305, 13240004), (335, 12054332), (389, 10380980), (508, 7949215), (610, 6620002), (635, 6359372), (670, 6027166), (778, 5190490), (1220, 3310001), (1270, 3179686), (1340, 3013583), (1556, 2595245), (1945, 2076196), (2540, 1589843), (3890, 1038098), (4087, 988060), (7747, 521260), (7780, 519049), (8174, 494030), (8509, 474580), (15494, 260630), (16348, 247015), (17018, 237290), (20435, 197612), (23729, 170180), (26063, 154940), (30988, 130315), (34036, 118645), (38735, 104252), (40870, 98806), (42545, 94916), (47458, 85090), (49403, 81740), (52126, 77470)]