80563208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 171547200

約数和(自身を除く): 90983992

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 109, 148, 218, 227, 296, 407, 436, 454, 814, 872, 908, 1199, 1628, 1816, 2398, 2497, 3256, 4033, 4796, 4994, 8066, 8399, 9592, 9988, 16132, 16798, 19976, 24743, 32264, 33596, 44363, 49486, 67192, 88726, 92389, 98972, 177452, 184778, 197944, 272173, 354904, 369556, 544346, 739112, 915491, 1088692, 1830982, 2177384, 3661964, 7323928, 10070401, 20140802, 40281604, 80563208]

約数ペア:

[(1, 80563208), (2, 40281604), (4, 20140802), (8, 10070401), (11, 7323928), (22, 3661964), (37, 2177384), (44, 1830982), (74, 1088692), (88, 915491), (109, 739112), (148, 544346), (218, 369556), (227, 354904), (296, 272173), (407, 197944), (436, 184778), (454, 177452), (814, 98972), (872, 92389), (908, 88726), (1199, 67192), (1628, 49486), (1816, 44363), (2398, 33596), (2497, 32264), (3256, 24743), (4033, 19976), (4796, 16798), (4994, 16132), (8066, 9988), (8399, 9592)]