8993840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 22602720

約数和(自身を除く): 13608880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 97, 122, 152, 190, 194, 244, 304, 305, 380, 388, 485, 488, 610, 760, 776, 970, 976, 1159, 1220, 1520, 1552, 1843, 1940, 2318, 2440, 3686, 3880, 4636, 4880, 5795, 5917, 7372, 7760, 9215, 9272, 11590, 11834, 14744, 18430, 18544, 23180, 23668, 29488, 29585, 36860, 46360, 47336, 59170, 73720, 92720, 94672, 112423, 118340, 147440, 224846, 236680, 449692, 473360, 562115, 899384, 1124230, 1798768, 2248460, 4496920, 8993840]

約数ペア:

[(1, 8993840), (2, 4496920), (4, 2248460), (5, 1798768), (8, 1124230), (10, 899384), (16, 562115), (19, 473360), (20, 449692), (38, 236680), (40, 224846), (61, 147440), (76, 118340), (80, 112423), (95, 94672), (97, 92720), (122, 73720), (152, 59170), (190, 47336), (194, 46360), (244, 36860), (304, 29585), (305, 29488), (380, 23668), (388, 23180), (485, 18544), (488, 18430), (610, 14744), (760, 11834), (776, 11590), (970, 9272), (976, 9215), (1159, 7760), (1220, 7372), (1520, 5917), (1552, 5795), (1843, 4880), (1940, 4636), (2318, 3880), (2440, 3686)]