80981648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 183589440

約数和(自身を除く): 102607792

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 61, 76, 88, 122, 152, 176, 209, 244, 304, 397, 418, 488, 671, 794, 836, 976, 1159, 1342, 1588, 1672, 2318, 2684, 3176, 3344, 4367, 4636, 5368, 6352, 7543, 8734, 9272, 10736, 12749, 15086, 17468, 18544, 24217, 25498, 30172, 34936, 48434, 50996, 60344, 69872, 82973, 96868, 101992, 120688, 165946, 193736, 203984, 266387, 331892, 387472, 460123, 532774, 663784, 920246, 1065548, 1327568, 1840492, 2131096, 3680984, 4262192, 5061353, 7361968, 10122706, 20245412, 40490824, 80981648]

約数ペア:

[(1, 80981648), (2, 40490824), (4, 20245412), (8, 10122706), (11, 7361968), (16, 5061353), (19, 4262192), (22, 3680984), (38, 2131096), (44, 1840492), (61, 1327568), (76, 1065548), (88, 920246), (122, 663784), (152, 532774), (176, 460123), (209, 387472), (244, 331892), (304, 266387), (397, 203984), (418, 193736), (488, 165946), (671, 120688), (794, 101992), (836, 96868), (976, 82973), (1159, 69872), (1342, 60344), (1588, 50996), (1672, 48434), (2318, 34936), (2684, 30172), (3176, 25498), (3344, 24217), (4367, 18544), (4636, 17468), (5368, 15086), (6352, 12749), (7543, 10736), (8734, 9272)]