101020880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 242079744

約数和(自身を除く): 141058864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 127, 163, 244, 254, 305, 326, 488, 508, 610, 635, 652, 815, 976, 1016, 1220, 1270, 1304, 1630, 2032, 2440, 2540, 2608, 3260, 4880, 5080, 6520, 7747, 9943, 10160, 13040, 15494, 19886, 20701, 30988, 38735, 39772, 41402, 49715, 61976, 77470, 79544, 82804, 99430, 103505, 123952, 154940, 159088, 165608, 198860, 207010, 309880, 331216, 397720, 414020, 619760, 795440, 828040, 1262761, 1656080, 2525522, 5051044, 6313805, 10102088, 12627610, 20204176, 25255220, 50510440, 101020880]

約数ペア:

[(1, 101020880), (2, 50510440), (4, 25255220), (5, 20204176), (8, 12627610), (10, 10102088), (16, 6313805), (20, 5051044), (40, 2525522), (61, 1656080), (80, 1262761), (122, 828040), (127, 795440), (163, 619760), (244, 414020), (254, 397720), (305, 331216), (326, 309880), (488, 207010), (508, 198860), (610, 165608), (635, 159088), (652, 154940), (815, 123952), (976, 103505), (1016, 99430), (1220, 82804), (1270, 79544), (1304, 77470), (1630, 61976), (2032, 49715), (2440, 41402), (2540, 39772), (2608, 38735), (3260, 30988), (4880, 20701), (5080, 19886), (6520, 15494), (7747, 13040), (9943, 10160)]