16411980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 50549184

約数和(自身を除く): 34137204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 397, 530, 636, 689, 780, 794, 795, 1060, 1191, 1378, 1588, 1590, 1985, 2067, 2382, 2756, 3180, 3445, 3970, 4134, 4764, 5161, 5955, 6890, 7940, 8268, 10322, 10335, 11910, 13780, 15483, 20644, 20670, 21041, 23820, 25805, 30966, 41340, 42082, 51610, 61932, 63123, 77415, 84164, 103220, 105205, 126246, 154830, 210410, 252492, 273533, 309660, 315615, 420820, 547066, 631230, 820599, 1094132, 1262460, 1367665, 1641198, 2735330, 3282396, 4102995, 5470660, 8205990, 16411980]

約数ペア:

[(1, 16411980), (2, 8205990), (3, 5470660), (4, 4102995), (5, 3282396), (6, 2735330), (10, 1641198), (12, 1367665), (13, 1262460), (15, 1094132), (20, 820599), (26, 631230), (30, 547066), (39, 420820), (52, 315615), (53, 309660), (60, 273533), (65, 252492), (78, 210410), (106, 154830), (130, 126246), (156, 105205), (159, 103220), (195, 84164), (212, 77415), (260, 63123), (265, 61932), (318, 51610), (390, 42082), (397, 41340), (530, 30966), (636, 25805), (689, 23820), (780, 21041), (794, 20670), (795, 20644), (1060, 15483), (1191, 13780), (1378, 11910), (1588, 10335), (1590, 10322), (1985, 8268), (2067, 7940), (2382, 6890), (2756, 5955), (3180, 5161), (3445, 4764), (3970, 4134)]