16963629560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1\times {\mathrm{2663}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 38737543680

約数和(自身を除く): 21773914120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2243, 2663, 2840, 4486, 5326, 8972, 10652, 11215, 13315, 17944, 21304, 22430, 26630, 44860, 53260, 89720, 106520, 159253, 189073, 318506, 378146, 637012, 756292, 796265, 945365, 1274024, 1512584, 1592530, 1890730, 3185060, 3781460, 5973109, 6370120, 7562920, 11946218, 23892436, 29865545, 47784872, 59731090, 119462180, 238924360, 424090739, 848181478, 1696362956, 2120453695, 3392725912, 4240907390, 8481814780, 16963629560]

約数ペア:

[(1, 16963629560), (2, 8481814780), (4, 4240907390), (5, 3392725912), (8, 2120453695), (10, 1696362956), (20, 848181478), (40, 424090739), (71, 238924360), (142, 119462180), (284, 59731090), (355, 47784872), (568, 29865545), (710, 23892436), (1420, 11946218), (2243, 7562920), (2663, 6370120), (2840, 5973109), (4486, 3781460), (5326, 3185060), (8972, 1890730), (10652, 1592530), (11215, 1512584), (13315, 1274024), (17944, 945365), (21304, 796265), (22430, 756292), (26630, 637012), (44860, 378146), (53260, 318506), (89720, 189073), (106520, 159253)]